Year Index 2010=1 1990-01-01 0.514650993685824 1991-01-01 0.609045256081857 1992-01-01 0.595798946851221 1993-01-01 0.571534336756653 1994-01-01 0.608699000246587 1995-01-01 0.588587040588955 1996-01-01 0.579994849894570 1997-01-01 0.606147347802461 1998-01-01 0.650783126338769 1999-01-01 0.639627319577923 2000-01-01 0.642775918383984 2001-01-01 0.657674419807554 2002-01-01 0.667023829830332 2003-01-01 0.667245557602711 2004-01-01 0.737287024587838 2005-01-01 0.824962229700847 2006-01-01 0.878093227071968 2007-01-01 0.939709040196096 2008-01-01 1.069728199615730 2009-01-01 1.095080418235770 2010-01-01 1.000000000000000